This waterproof armrest bag is made of diving material, durable, to ensure the safety and protection of your mobile phone. If you like running, weightlifting, hiking, dog walking, gardening or spending a few days in a theme park, this armband is perfect for you. The light running armband with headphone hole makes it easy for your wired headphones to pass through and enjoy your favorite songs. 7" L x 4 1/2" W